On a clear day, you can see approximately 30.65 miles from the observation deck of willis tower in chicago. using the formula below, estimate the height in feet, h, of the observation deck. pleae asap the problem is in the picture.

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm

What are the sotions to the quadratic equation 9x^2=4

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.